Home/CVE/Apple Multiple Products WebKit Type Confusion Vulnerability
CVE

CVE-2023-32439

Apple Multiple Products WebKit Type Confusion Vulnerability

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. Processing maliciously crafted web content may lead to arbitrary code execution.

Apple is aware of a report that this issue may have been actively exploited.

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.0116
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
▤

Affected Products & Versions

7
apple safari< 16.5.1
apple ipados< 15.7.7
apple ipados>= 16.0 and < 16.5.1
apple iphone os< 15.7.7
apple iphone os>= 16.0 and < 16.5.1
apple macos>= 13.0 and < 13.4.1
webkitgtk webkitgtk\+< 2.42.3
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Jun 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

9
rhsaRHSA-2025:10364Important
suse-csafSUSE-SU-2023:3419-1
suse-csafSUSE-SU-2023:3300-1
suse-csafSUSE-SU-2023:3233-1
suse-csafSUSE-SU-2023:3237-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.gentoo.org/glsa/202401-04Third Party Advisory
https://support.apple.com/en-us/HT213811Release NotesVendor Advisory
https://support.apple.com/en-us/HT213813Release NotesVendor Advisory
https://support.apple.com/en-us/HT213814Release NotesVendor Advisory
https://support.apple.com/en-us/HT213816Release NotesVendor Advisory
https://support.apple.com/kb/HT213814Vendor Advisory
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